More details - [ Ссылка ]. To maintain the accuracy of electrotechnical devices, they are calibrated at industrial enterprises. The process involves setting the appliance, eliminating or minimizing factors that affect accuracy of measurements.
There are several ways of tester calibration:
- as a data issuance process (report, certificate in accordance with the manufacturer's specifications);
- as the process of detection the correlation between the values of the measured parameter and the values the measuring instrument indicates.
In other words, it is a periodic setting of the instrument for its further accuracy in accordance with the manufacturer's recommendations, or after a malfunction.
Breakdown voltage tester TOR-80 also requires periodic calibration. It involves eliminating of breakdown voltage measuring error, high voltage measuring error, voltage rise rate measuring error, and high voltage distortion coefficient measuring error.
With this video you can learn more about the calibration process of the TOR-80 breakdown voltage tester manufactured by GlobeCore.
We recall that this tester is designed for automatic measuring the breakdown voltage of transformer oil, detecting the thresholds for breakdown voltage critical decrease, extending the transformer lifetime by replacement or purification oil depending on the study results.
To calibrate the TOR-80 a voltmeter and a computer with an installed special program are used. Program compares the tester's measurements with the measurements of the reference instrument and sets tester to factory settings.
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